Polypodium leucotomos and vitiligo
What 2 graded rows on polypodium leucotomos agree on for vitiligo, and where they differ. Counted side by side, never averaged.
Consensus finder Rows from the Polypodium leucotomos page, reviewed Oct 21, 2026 How it decides
What the rows agree on
Each block and row is one graded row from the Polypodium leucotomos page, with its PubMed record.
Your question
Polypodium leucotomos and vitiligo
2 rows · 94 peopleSplit. 1 row found an improvement and 1 had mixed results.
- CGrade C× 2
- Rows
- 2
- Trials
- 2
- People
- 94
What the rows share
From the rowsThe best-graded row, grade C, is a randomized trial of 50 people (2007) and reported mixed results.
The rows run from 44 to 50 people, published from 2007 to 2021: 2 single studies.
The rows
1 improved · 1 mixed- CGrade CRepigmentation with light therapy · Improved
RCT · n 44 · 2021 · People with generalized vitiligo on narrow-band UVB twice weekly
960 mg/day (480 mg twice daily) · 6 months
Repigmentation and response rate were higher with the extract than with placebo (response 47.8% vs 22%).
Row on the Polypodium leucotomos page · PubMed 33433041 (opens PubMed)
- CGrade CRepigmentation with light therapy · Mixed
RCT · n 50 · 2007 · Adults with vitiligo on narrow-band UVB
750 mg/day (250 mg three times daily) · 25–26 weeks
Head-and-neck repigmentation was 44% vs 27% with placebo (p = 0.06), and 50% vs 19% among those attending over 80% of sessions; other areas did not differ.
Row on the Polypodium leucotomos page · PubMed 17659004 (opens PubMed)